CVE-2023-4719

Simple Membership <= 4.3.5 - Reflected Cross-Site Scripting

Published Sep 6, 2023 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Description
The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `list_type` parameter in versions up to, and including, 4.3.5 due to insufficient input sanitization and output escaping. Using this vulnerability, unauthenticated attackers could inject arbitrary web scripts into pages that are being executed if they can successfully trick a user into taking an action, such as clicking a malicious link.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-54567 The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `list_type` parameter in versions up to, and including, 4.3.5 due to insufficient input sanitization and output escaping. Using this vulnerability, unauthenticated attackers could inject arbitrary web scripts into pages that are being executed if they can successfully trick a user into taking an action, such as clicking a malicious link.
History
Type Values Removed Values Added
Title Simple Membership <= 4.3.5 - Reflected Cross-Site Scripting
Weaknesses CWE-79
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 5:29 PM
Reserved
Sep 1, 2023, 2:59 PM
Status
Modified
Published
Sep 6, 2023, 2:15 AM
Modified
Jun 17, 2026, 6:38 AM